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Finding the Fourth Proportional to 44.43, 66.29 and 41.86

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Solution

The fourth proportional to 44.43, 66.29 and 41.86 is: 62.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.43 : 66.29 = 41.86 : x
  2. Step 2: Convert to fraction form
    44.43/66.29 = 41.86/x
  3. Step 3: Cross multiply
    44.43x = 66.29 × 41.86
  4. Step 4: Simplify right side
    44.43x = 2,774.90
  5. Step 5: Solve for x
    x = 2,774.90/44.43
  6. Step 6: Final answer
    x = 62.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.